短語詞組短語ground stress field distribution 地應力場分布stress gradient distribution 應力梯度分布stress field distribution 應力場分布stress s distribution 應力分布stress great distribution 應力重分布secondary stress distribution 二次應力分布plastic stress distribution 彈塑性應力分布vertical stress distribution 縱向應力分布internal stress distribution 內(nèi)應力分布 返回 stress distribution